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　　為??(wei)隧??(sui)道??(dao)“聽(tīng)??(ting)診??(zhen)”??，是??(shi)一?(yi)項(xiàng)??(xiang)精??(jing)細(xì)??(xi)的??(de)技??(ji)術(shù)??(shu)活?(huo)??，由??(you)于??(yu)隧??(sui)道?(dao)空??(kong)響??(xiang)、滲??(shen)水??(shui)裂??(lie)紋??(wen)等??(deng)病??(bing)害??(hai)非??(fei)常??(chang)細(xì)??(xi)小??(xiao)??，部??(bu)分?(fen)病?(bing)害??(hai)更??(geng)是??(shi)隱??(yin)藏??(zang)在??(zai)襯??(chen)砌??(qi)內(nèi)??(nei)部??(bu)??，肉?(rou)眼??(yan)無(wú)??(wu)法?(fa)查??(zha)看??(kan)??，只??(zhi)能??(neng)通??(tong)過(guò)??(guo)“聽(tīng)??(ting)診??(zhen)”的??(de)方??(fang)式??(shi)進(jìn)??(jin)行??(xing)檢??(jian)查??(zha)??。??　　兩??(liang)人??(ren)抵?(di)達(dá)??(da)K630+420m處??(chu)??，馬??(ma)志??(zhi)峰??(feng)發(fā)??(fa)現(xiàn)??(xian)排??(pai)水??(shui)溝??(gou)里?(li)積??(ji)攢??(zan)的?(de)淤??(yu)泥??(ni)等??(deng)雜??(za)物??(wu)阻??(zu)斷??(duan)了??(le)排??(pai)水??(shui)??。??李??(li)楠??(nan)蹲??(dun)下??(xia)身??(shen)子??(zi)??，雙??(shuang)手??(shou)緊??(jin)緊??(jin)抓??(zhua)住??(zhu)蓋??(gai)板?(ban)邊??(bian)緣??(yuan)??，用??(yong)力??(li)往??(wang)上??(shang)掀??(xian)起?(qi)蓋??(gai)板??(ban)??，然??(ran)后?(hou)彎??(wan)著?(zhe)腰??(yao)??，小?(xiao)心??(xin)翼??(yi)翼??(yi)地??(di)用??(yong)鐵??(tie)鍬??(qiao)清??(qing)理??(li)排??(pai)水??(shui)溝??(gou)底??(di)部??(bu)??。在??(zai)狹??(xia)窄??(zhai)的??(de)排??(pai)水??(shui)溝??(gou)里??(li)人??(ren)體??(ti)活??(huo)動(dòng)??(dong)空??(kong)間??(jian)極?(ji)為??(wei)有??(you)限??(xian)??，李??(li)楠??(nan)只??(zhi)能??(neng)半??(ban)蹲?(dun)著??(zhe)??，雙??(shuang)腿??(tui)微??(wei)微??(wei)顫?(chan)抖??(dou)??，努?(nu)力??(li)維?(wei)持??(chi)著??(zhe)身??(shen)體??(ti)平??(ping)衡??(heng)??。他??(ta)緊??(jin)緊??(jin)握??(wo)住??(zhu)鐵??(tie)鍬??(qiao)??，將??(jiang)鐵??(tie)鍬??(qiao)插??(cha)入??(ru)堵??(du)塞??(sai)的??(de)水??(shui)溝??(gou)中??(zhong)??，用??(yong)力??(li)鏟??(chan)除??(chu)淤??(yu)積??(ji)物??(wu)??，不??(bu)一??(yi)會(huì)??(hui)兒??(er)??，額??(e)頭??(tou)上??(shang)沁??(qin)出?(chu)汗??(han)珠??(zhu)??。。